you may want to show smooth jquery popup when user visited
your site or on a button click in any page,etc... from code behind.

i am here sharing codes for showing popup using jquery properly -

asp.net routing is easy to use for rewriting any url.

if you have a url like wwww.aspdotnetsite.com/Projects?user=username.
but if you want to have it in short name for marketing or for anything
you want like this is the resulting url -
wwww.aspdotnetsite.com/Projects/username

exporting to data in excel is a very common practice
in business website.one can use asp.net Response methods
to export to excel which is easy to do using a gridview.but
contents not appear properly like there will be white back-
ground over excel rows and this way is not efficient too.

you may read many article in web about how to make a page
not to be cached using meta tags like that in the head
section -

if you want to resize your asp.net textbox height according
to content then these codes will help you perfectly.

A CAPTCHA is a program which tells whether its user
is human or computers.

follow the steps below to add captcha in your web form
easily -

if you want to read the content of any html file then
this tips can help you.StreamReader is used to read
the file and store data in Stringbuilder.you can modify
the Stringbuilder according to your need.

following are some practice problems for c#.net
programmers.teachers try it in classes.students
or novice c# programmers solve those problems to
practice c# programming in -

in asp.net application there may be different
server errors like file not found,server error,
etc.when those errors happens default ASP.NET error
page is shown which looks odd and users don't
understand what type of errors occured.to overcome
these problems it's a good idea to use own
error files.

I have given many interviews on c#,asp.net jobs and
went through the questions.here i am posting,It may
help you -